/*-
 * ========================LICENSE_START=================================
 * flyway-core
 * ========================================================================
 * Copyright (C) 2010 - 2025 Red Gate Software Ltd
 * ========================================================================
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * =========================LICENSE_END==================================
 */
package org.flywaydb.core.internal.logging.javautil;

import lombok.RequiredArgsConstructor;
import org.flywaydb.core.api.logging.Log;

import java.util.logging.Level;
import java.util.logging.LogRecord;
import java.util.logging.Logger;
import org.flywaydb.core.api.logging.LogFactory;

@RequiredArgsConstructor
public class JavaUtilLog implements Log {

    private final Logger logger;

    public void debug(String message) {
        if (LogFactory.isDebugEnabled()) {
            log(Level.FINE, message, null);
        }
    }

    public void info(String message) {
        if (!LogFactory.isQuietMode()) {
            log(Level.INFO, message, null);
        }
    }

    public void warn(String message) {
        log(Level.WARNING, message, null);
    }

    public void error(String message) {
        log(Level.SEVERE, message, null);
    }

    public void error(String message, Exception e) {
        log(Level.SEVERE, message, e);
    }

    public void notice(String message) {}

    /**
     * Log the message at the specified level with the specified exception if any.
     */
    private void log(Level level, String message, Exception e) {
        LogRecord record = new LogRecord(level, message);
        record.setLoggerName(logger.getName());
        record.setThrown(e);
        record.setSourceClassName(logger.getName());
        record.setSourceMethodName(getMethodName());
        logger.log(record);
    }

    /**
     * Computes the source method name for the log output.
     */
    private String getMethodName() {
        StackTraceElement[] steArray = new Throwable().getStackTrace();

        for (StackTraceElement stackTraceElement : steArray) {
            if (logger.getName().equals(stackTraceElement.getClassName())) {
                return stackTraceElement.getMethodName();
            }
        }

        return null;
    }
}
